Create simple application in Android to send SMS

Hello friends, today we will learn to create simple application (app) in Android for sending SMS.

Some pre-requisites for this application are:

1)   Download adtbundle for Android development from http://developer.android.com/sdk/index.html

2)   Unzip it and copy and paste it in
C:\Program Files\

3)   Open eclipse and double click on eclipse.exe

Now you are ready steady to go for your first app experience.

Step 1: Create new project by going to

File>new>Android application project

Then the following screen will appear

[figure 1: New Android Application screen]

Fill up all the details which are blank on the screen. We will name our application as JAKSMS, project name SendsmsDemo, package name com.example.sendsmsdemo. Then click next>next>next>next>finish, and by following these simple steps we have created our first default app.

Step 2: Run this project by creating new Android Virtual Device (AVD). Go to window>Android Virtual Device Manager>new>

Give appropriate name to your AVD and select the lowest level device and click ok, this will create your AVD. Select your newly created AVD and click start.

Step 3: Now we will modify this first app of ours for sending SMS through our app.

For this we have to modify few files

1)    MainActivity.java

2)    activity_main.xml

3)    strings.xml

4)    AndroidManifest.xml

                   ·        MainActivity.java

[figure 2: packages to include in MainActivity.java]

[figure 2.1: MainActivity class and onCreate() method]

[figure 2.2: user defined method sendSMS()]

·        activity_main.xml

[ figure 3: main.xml file]

·        strings.xml

[figure 4: strings.xml file]

·        AndroidManifest.xml

[ figure 5: AndroidManifest.xml file]

Step 4: Save this project and run it in AVD

·        Output

[ figure 5: Output on AVD]